Automatic direction finder,申请号US19450622606-传众专利搜索

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法人/股东/高管

发明名称	Automatic direction finder
摘要
申请公布号	US2502447(A)	申请公布日期	1950.04.04
申请号	US19450622606	申请日期	1945.10.16
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	FRINK FREDERICK W.
分类号	G01S3/42	主分类号	G01S3/42
代理机构		代理人
主权项
地址

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